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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <sal/config.h>
21 :
22 : #include <memory>
23 : #include <utility>
24 :
25 : #include <accessiblecell.hxx>
26 :
27 : #include "svx/DescriptionGenerator.hxx"
28 :
29 : #include <com/sun/star/accessibility/AccessibleRole.hpp>
30 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
31 :
32 : #include <vcl/svapp.hxx>
33 :
34 : #include <unotools/accessiblestatesethelper.hxx>
35 : #include <comphelper/string.hxx>
36 : #include <editeng/outlobj.hxx>
37 : #include <svx/unoshtxt.hxx>
38 : #include <svx/svdotext.hxx>
39 :
40 : using namespace ::sdr::table;
41 : using namespace ::com::sun::star;
42 : using namespace ::com::sun::star::uno;
43 : using namespace ::com::sun::star::accessibility;
44 : using namespace ::com::sun::star::lang;
45 : using namespace ::com::sun::star::container;
46 :
47 : namespace accessibility {
48 :
49 0 : AccessibleCell::AccessibleCell( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible>& rxParent, const sdr::table::CellRef& rCell, sal_Int32 nIndex, const AccessibleShapeTreeInfo& rShapeTreeInfo )
50 : : AccessibleCellBase( rxParent, AccessibleRole::TABLE_CELL )
51 : , maShapeTreeInfo( rShapeTreeInfo )
52 : , mnIndexInParent( nIndex )
53 : , mpText( NULL )
54 0 : , mxCell( rCell )
55 : {
56 : //Init the pAccTable var
57 0 : pAccTable = dynamic_cast <AccessibleTableShape *> (rxParent.get());
58 0 : }
59 :
60 :
61 :
62 0 : AccessibleCell::~AccessibleCell (void)
63 : {
64 : DBG_ASSERT( mpText == 0, "svx::AccessibleCell::~AccessibleCell(), not disposed!?" );
65 0 : }
66 :
67 :
68 :
69 0 : void AccessibleCell::Init (void)
70 : {
71 0 : SdrView* pView = maShapeTreeInfo.GetSdrView();
72 0 : const vcl::Window* pWindow = maShapeTreeInfo.GetWindow ();
73 0 : if( (pView != NULL) && (pWindow != NULL) && mxCell.is())
74 : {
75 0 : OutlinerParaObject* pOutlinerParaObject = mxCell->GetEditOutlinerParaObject(); // Get the OutlinerParaObject if text edit is active
76 :
77 0 : bool bOwnParaObject = pOutlinerParaObject != 0;
78 :
79 0 : if( !pOutlinerParaObject )
80 0 : pOutlinerParaObject = mxCell->GetOutlinerParaObject();
81 :
82 : // create AccessibleTextHelper to handle this shape's text
83 0 : if( pOutlinerParaObject )
84 : {
85 : // non-empty text -> use full-fledged edit source right away
86 0 : ::std::unique_ptr<SvxEditSource> pEditSource( new SvxTextEditSource( mxCell->GetObject(), mxCell.get(), *pView, *pWindow) );
87 0 : mpText = new AccessibleTextHelper( std::move(pEditSource) );
88 0 : mpText->SetEventSource(this);
89 : }
90 :
91 0 : if( bOwnParaObject)
92 0 : delete pOutlinerParaObject;
93 : }
94 0 : }
95 :
96 :
97 :
98 0 : bool AccessibleCell::SetState (sal_Int16 aState)
99 : {
100 0 : bool bStateHasChanged = false;
101 :
102 0 : if (aState == AccessibleStateType::FOCUSED && mpText != NULL)
103 : {
104 : // Offer FOCUSED state to edit engine and detect whether the state
105 : // changes.
106 0 : bool bIsFocused = mpText->HaveFocus ();
107 0 : mpText->SetFocus (true);
108 0 : bStateHasChanged = (bIsFocused != mpText->HaveFocus ());
109 : }
110 : else
111 0 : bStateHasChanged = AccessibleContextBase::SetState (aState);
112 :
113 0 : return bStateHasChanged;
114 : }
115 :
116 :
117 :
118 0 : bool AccessibleCell::ResetState (sal_Int16 aState)
119 : {
120 0 : bool bStateHasChanged = false;
121 :
122 0 : if (aState == AccessibleStateType::FOCUSED && mpText != NULL)
123 : {
124 : // Try to remove FOCUSED state from the edit engine and detect
125 : // whether the state changes.
126 0 : bool bIsFocused = mpText->HaveFocus ();
127 0 : mpText->SetFocus (false);
128 0 : bStateHasChanged = (bIsFocused != mpText->HaveFocus ());
129 : }
130 : else
131 0 : bStateHasChanged = AccessibleContextBase::ResetState (aState);
132 :
133 0 : return bStateHasChanged;
134 : }
135 :
136 :
137 :
138 0 : bool AccessibleCell::operator== (const AccessibleCell& rAccessibleCell)
139 : {
140 0 : return this == &rAccessibleCell;
141 : }
142 :
143 :
144 : // XInterface
145 :
146 :
147 0 : Any SAL_CALL AccessibleCell::queryInterface( const Type& aType ) throw (RuntimeException, std::exception)
148 : {
149 0 : return AccessibleCellBase::queryInterface( aType );
150 : }
151 :
152 :
153 :
154 0 : void SAL_CALL AccessibleCell::acquire( ) throw ()
155 : {
156 0 : AccessibleCellBase::acquire();
157 0 : }
158 :
159 :
160 :
161 0 : void SAL_CALL AccessibleCell::release( ) throw ()
162 : {
163 0 : AccessibleCellBase::release();
164 0 : }
165 :
166 :
167 : // XAccessibleContext
168 :
169 :
170 : /** The children of this cell come from the paragraphs of text.
171 : */
172 0 : sal_Int32 SAL_CALL AccessibleCell::getAccessibleChildCount() throw (::com::sun::star::uno::RuntimeException, std::exception)
173 : {
174 0 : SolarMutexGuard aSolarGuard;
175 0 : ThrowIfDisposed ();
176 0 : return mpText != NULL ? mpText->GetChildCount () : 0;
177 : }
178 :
179 :
180 :
181 : /** Forward the request to the shape. Return the requested shape or throw
182 : an exception for a wrong index.
183 : */
184 0 : Reference<XAccessible> SAL_CALL AccessibleCell::getAccessibleChild (sal_Int32 nIndex) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
185 : {
186 0 : SolarMutexGuard aSolarGuard;
187 0 : ThrowIfDisposed ();
188 :
189 : // todo: does GetChild throw IndexOutOfBoundsException?
190 0 : return mpText->GetChild (nIndex);
191 : }
192 :
193 :
194 :
195 : /** Return a copy of the state set.
196 : Possible states are:
197 : ENABLED
198 : SHOWING
199 : VISIBLE
200 : */
201 0 : Reference<XAccessibleStateSet> SAL_CALL AccessibleCell::getAccessibleStateSet (void) throw (RuntimeException, std::exception)
202 : {
203 0 : SolarMutexGuard aSolarGuard;
204 0 : ::osl::MutexGuard aGuard (maMutex);
205 0 : Reference<XAccessibleStateSet> xStateSet;
206 :
207 0 : if (rBHelper.bDisposed || mpText == NULL)
208 : {
209 : // Return a minimal state set that only contains the DEFUNC state.
210 0 : xStateSet = AccessibleContextBase::getAccessibleStateSet ();
211 : }
212 : else
213 : {
214 0 : ::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get());
215 :
216 0 : if(pStateSet)
217 : {
218 : // Merge current FOCUSED state from edit engine.
219 0 : if (mpText != NULL)
220 : {
221 0 : if (mpText->HaveFocus())
222 0 : pStateSet->AddState (AccessibleStateType::FOCUSED);
223 : else
224 0 : pStateSet->RemoveState (AccessibleStateType::FOCUSED);
225 : }
226 : // Set the invisible state for merged cell
227 0 : if (mxCell.is() && mxCell->isMerged())
228 0 : pStateSet->RemoveState(AccessibleStateType::VISIBLE);
229 : else
230 0 : pStateSet->AddState(AccessibleStateType::VISIBLE);
231 :
232 :
233 : //Just when the parent table is not read-only,set states EDITABLE,RESIZABLE,MOVEABLE
234 0 : ::com::sun::star::uno::Reference<XAccessible> xTempAcc = getAccessibleParent();
235 0 : if( xTempAcc.is() )
236 : {
237 : ::com::sun::star::uno::Reference<XAccessibleContext>
238 0 : xTempAccContext = xTempAcc->getAccessibleContext();
239 0 : if( xTempAccContext.is() )
240 : {
241 : ::com::sun::star::uno::Reference<XAccessibleStateSet> rState =
242 0 : xTempAccContext->getAccessibleStateSet();
243 0 : if( rState.is() ) {
244 0 : com::sun::star::uno::Sequence<short> pStates = rState->getStates();
245 0 : int count = pStates.getLength();
246 0 : for( int iIndex = 0;iIndex < count;iIndex++ )
247 : {
248 0 : if( pStates[iIndex] == AccessibleStateType::EDITABLE )
249 : {
250 0 : pStateSet->AddState (AccessibleStateType::EDITABLE);
251 0 : pStateSet->AddState (AccessibleStateType::RESIZABLE);
252 0 : pStateSet->AddState (AccessibleStateType::MOVEABLE);
253 0 : break;
254 : }
255 0 : }
256 0 : }
257 0 : }
258 : }
259 : // Create a copy of the state set that may be modified by the
260 : // caller without affecting the current state set.
261 0 : xStateSet = Reference<XAccessibleStateSet>(new ::utl::AccessibleStateSetHelper (*pStateSet));
262 : }
263 : }
264 :
265 0 : return xStateSet;
266 : }
267 :
268 :
269 : // XAccessibleComponent
270 :
271 :
272 0 : sal_Bool SAL_CALL AccessibleCell::containsPoint( const ::com::sun::star::awt::Point& aPoint) throw (::com::sun::star::uno::RuntimeException, std::exception)
273 : {
274 0 : return AccessibleComponentBase::containsPoint( aPoint );
275 : }
276 :
277 : /** The implementation below is at the moment straightforward. It iterates
278 : over all children (and thereby instances all children which have not
279 : been already instatiated) until a child covering the specifed point is
280 : found.
281 : This leaves room for improvement. For instance, first iterate only over
282 : the already instantiated children and only if no match is found
283 : instantiate the remaining ones.
284 : */
285 0 : Reference<XAccessible > SAL_CALL AccessibleCell::getAccessibleAtPoint ( const ::com::sun::star::awt::Point& aPoint) throw(RuntimeException, std::exception)
286 : {
287 0 : SolarMutexGuard aSolarGuard;
288 0 : ::osl::MutexGuard aGuard (maMutex);
289 :
290 0 : sal_Int32 nChildCount = getAccessibleChildCount ();
291 0 : for (sal_Int32 i=0; i<nChildCount; ++i)
292 : {
293 0 : Reference<XAccessible> xChild (getAccessibleChild (i));
294 0 : if (xChild.is())
295 : {
296 0 : Reference<XAccessibleComponent> xChildComponent (xChild->getAccessibleContext(), uno::UNO_QUERY);
297 0 : if (xChildComponent.is())
298 : {
299 0 : awt::Rectangle aBBox (xChildComponent->getBounds());
300 0 : if ( (aPoint.X >= aBBox.X)
301 0 : && (aPoint.Y >= aBBox.Y)
302 0 : && (aPoint.X < aBBox.X+aBBox.Width)
303 0 : && (aPoint.Y < aBBox.Y+aBBox.Height) )
304 0 : return xChild;
305 0 : }
306 : }
307 0 : }
308 :
309 : // Have not found a child under the given point. Returning empty
310 : // reference to indicate this.
311 0 : return uno::Reference<XAccessible>();
312 : }
313 :
314 :
315 :
316 0 : ::com::sun::star::awt::Rectangle SAL_CALL AccessibleCell::getBounds(void) throw(RuntimeException, std::exception)
317 : {
318 0 : SolarMutexGuard aSolarGuard;
319 0 : ::osl::MutexGuard aGuard (maMutex);
320 :
321 0 : ThrowIfDisposed ();
322 0 : ::com::sun::star::awt::Rectangle aBoundingBox;
323 0 : if( mxCell.is() )
324 : {
325 : // Get the cell's bounding box in internal coordinates (in 100th of mm)
326 0 : const ::Rectangle aCellRect( mxCell->getCellRect() );
327 :
328 : // Transform coordinates from internal to pixel.
329 0 : if (maShapeTreeInfo.GetViewForwarder() == NULL)
330 0 : throw uno::RuntimeException ("AccessibleCell has no valid view forwarder",static_cast<uno::XWeak*>(this));
331 :
332 0 : ::Size aPixelSize( maShapeTreeInfo.GetViewForwarder()->LogicToPixel(::Size(aCellRect.GetWidth(), aCellRect.GetHeight())) );
333 0 : ::Point aPixelPosition( maShapeTreeInfo.GetViewForwarder()->LogicToPixel( aCellRect.TopLeft() ));
334 :
335 : // Clip the shape's bounding box with the bounding box of its parent.
336 0 : Reference<XAccessibleComponent> xParentComponent ( getAccessibleParent(), uno::UNO_QUERY);
337 0 : if (xParentComponent.is())
338 : {
339 : // Make the coordinates relative to the parent.
340 0 : awt::Point aParentLocation (xParentComponent->getLocationOnScreen());
341 0 : int x = aPixelPosition.getX() - aParentLocation.X;
342 0 : int y = aPixelPosition.getY() - aParentLocation.Y;
343 :
344 : // Clip with parent (with coordinates relative to itself).
345 0 : ::Rectangle aBBox ( x, y, x + aPixelSize.getWidth(), y + aPixelSize.getHeight());
346 0 : awt::Size aParentSize (xParentComponent->getSize());
347 0 : ::Rectangle aParentBBox (0,0, aParentSize.Width, aParentSize.Height);
348 0 : aBBox = aBBox.GetIntersection (aParentBBox);
349 0 : aBoundingBox = awt::Rectangle ( aBBox.getX(), aBBox.getY(), aBBox.getWidth(), aBBox.getHeight());
350 : }
351 : else
352 : {
353 : OSL_TRACE ("parent does not support component");
354 0 : aBoundingBox = awt::Rectangle (aPixelPosition.getX(), aPixelPosition.getY(),aPixelSize.getWidth(), aPixelSize.getHeight());
355 0 : }
356 : }
357 :
358 0 : return aBoundingBox;
359 : }
360 :
361 :
362 :
363 0 : ::com::sun::star::awt::Point SAL_CALL AccessibleCell::getLocation(void) throw (RuntimeException, std::exception)
364 : {
365 0 : ThrowIfDisposed ();
366 0 : ::com::sun::star::awt::Rectangle aBoundingBox(getBounds());
367 0 : return ::com::sun::star::awt::Point(aBoundingBox.X, aBoundingBox.Y);
368 : }
369 :
370 :
371 :
372 0 : ::com::sun::star::awt::Point SAL_CALL AccessibleCell::getLocationOnScreen(void) throw(RuntimeException, std::exception)
373 : {
374 0 : ThrowIfDisposed ();
375 :
376 : // Get relative position...
377 0 : ::com::sun::star::awt::Point aLocation(getLocation ());
378 :
379 : // ... and add absolute position of the parent.
380 0 : Reference<XAccessibleComponent> xParentComponent( getAccessibleParent(), uno::UNO_QUERY);
381 0 : if(xParentComponent.is())
382 : {
383 0 : ::com::sun::star::awt::Point aParentLocation(xParentComponent->getLocationOnScreen());
384 0 : aLocation.X += aParentLocation.X;
385 0 : aLocation.Y += aParentLocation.Y;
386 : }
387 : else
388 : {
389 : OSL_TRACE ("getLocation: parent does not support XAccessibleComponent");
390 : }
391 :
392 0 : return aLocation;
393 : }
394 :
395 :
396 :
397 0 : awt::Size SAL_CALL AccessibleCell::getSize (void) throw (RuntimeException, std::exception)
398 : {
399 0 : ThrowIfDisposed ();
400 0 : awt::Rectangle aBoundingBox (getBounds());
401 0 : return awt::Size (aBoundingBox.Width, aBoundingBox.Height);
402 : }
403 :
404 :
405 :
406 0 : void SAL_CALL AccessibleCell::addFocusListener ( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFocusListener >& xListener) throw (::com::sun::star::uno::RuntimeException)
407 : {
408 0 : AccessibleComponentBase::addFocusListener( xListener );
409 0 : }
410 :
411 :
412 :
413 0 : void SAL_CALL AccessibleCell::removeFocusListener (const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFocusListener >& xListener ) throw (::com::sun::star::uno::RuntimeException)
414 : {
415 0 : AccessibleComponentBase::removeFocusListener( xListener );
416 0 : }
417 :
418 :
419 :
420 0 : void SAL_CALL AccessibleCell::grabFocus (void) throw (::com::sun::star::uno::RuntimeException, std::exception)
421 : {
422 0 : AccessibleComponentBase::grabFocus();
423 0 : }
424 :
425 :
426 :
427 0 : sal_Int32 SAL_CALL AccessibleCell::getForeground(void) throw (RuntimeException, std::exception)
428 : {
429 0 : ThrowIfDisposed ();
430 0 : sal_Int32 nColor (0x0ffffffL);
431 :
432 : // todo
433 0 : return nColor;
434 : }
435 :
436 :
437 :
438 0 : sal_Int32 SAL_CALL AccessibleCell::getBackground (void) throw (RuntimeException, std::exception)
439 : {
440 0 : ThrowIfDisposed ();
441 0 : sal_Int32 nColor (0L);
442 :
443 : // todo
444 0 : return nColor;
445 : }
446 :
447 :
448 : // XAccessibleExtendedComponent
449 :
450 :
451 0 : ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFont > SAL_CALL AccessibleCell::getFont (void) throw (::com::sun::star::uno::RuntimeException, std::exception)
452 : {
453 : //todo
454 0 : return AccessibleComponentBase::getFont();
455 : }
456 :
457 :
458 :
459 0 : OUString SAL_CALL AccessibleCell::getTitledBorderText (void) throw (::com::sun::star::uno::RuntimeException, std::exception)
460 : {
461 0 : return AccessibleComponentBase::getTitledBorderText();
462 : }
463 :
464 :
465 :
466 0 : OUString SAL_CALL AccessibleCell::getToolTipText (void) throw (::com::sun::star::uno::RuntimeException, std::exception)
467 : {
468 0 : return AccessibleComponentBase::getToolTipText();
469 : }
470 :
471 :
472 : // XAccessibleEventBroadcaster
473 :
474 :
475 0 : void SAL_CALL AccessibleCell::addAccessibleEventListener( const Reference<XAccessibleEventListener >& rxListener) throw (RuntimeException, std::exception)
476 : {
477 0 : SolarMutexGuard aSolarGuard;
478 0 : ::osl::MutexGuard aGuard (maMutex);
479 0 : if (rBHelper.bDisposed || rBHelper.bInDispose)
480 : {
481 0 : Reference<XInterface> xSource( static_cast<XComponent *>(this) );
482 0 : lang::EventObject aEventObj(xSource);
483 0 : rxListener->disposing(aEventObj);
484 : }
485 : else
486 : {
487 0 : AccessibleContextBase::addAccessibleEventListener (rxListener);
488 0 : if (mpText != NULL)
489 0 : mpText->AddEventListener (rxListener);
490 0 : }
491 0 : }
492 :
493 :
494 :
495 0 : void SAL_CALL AccessibleCell::removeAccessibleEventListener( const Reference<XAccessibleEventListener >& rxListener) throw (RuntimeException, std::exception)
496 : {
497 0 : SolarMutexGuard aSolarGuard;
498 0 : AccessibleContextBase::removeAccessibleEventListener(rxListener);
499 0 : if (mpText != NULL)
500 0 : mpText->RemoveEventListener (rxListener);
501 0 : }
502 :
503 :
504 : // XServiceInfo
505 :
506 :
507 0 : OUString SAL_CALL AccessibleCell::getImplementationName(void) throw (RuntimeException, std::exception)
508 : {
509 0 : return OUString("AccessibleCell");
510 : }
511 :
512 :
513 :
514 0 : Sequence<OUString> SAL_CALL AccessibleCell::getSupportedServiceNames(void) throw (RuntimeException, std::exception)
515 : {
516 0 : ThrowIfDisposed ();
517 :
518 : // Get list of supported service names from base class...
519 0 : uno::Sequence<OUString> aServiceNames = AccessibleContextBase::getSupportedServiceNames();
520 0 : sal_Int32 nCount (aServiceNames.getLength());
521 :
522 : // ...and add additional names.
523 0 : aServiceNames.realloc (nCount + 1);
524 0 : static const OUString sAdditionalServiceName ("com.sun.star.drawing.AccessibleCell");
525 0 : aServiceNames[nCount] = sAdditionalServiceName;
526 :
527 0 : return aServiceNames;
528 : }
529 :
530 :
531 : // IAccessibleViewForwarderListener
532 :
533 :
534 0 : void AccessibleCell::ViewForwarderChanged (ChangeType /*aChangeType*/, const IAccessibleViewForwarder* /*pViewForwarder*/)
535 : {
536 : // Inform all listeners that the graphical representation (i.e. size
537 : // and/or position) of the shape has changed.
538 0 : CommitChange(AccessibleEventId::VISIBLE_DATA_CHANGED, Any(), Any());
539 :
540 : // update our children that our screen position might have changed
541 0 : if( mpText )
542 0 : mpText->UpdateChildren();
543 0 : }
544 :
545 :
546 : // protected
547 :
548 :
549 0 : void AccessibleCell::disposing (void)
550 : {
551 0 : SolarMutexGuard aSolarGuard;
552 0 : ::osl::MutexGuard aGuard (maMutex);
553 :
554 : // Make sure to send an event that this object loses the focus in the
555 : // case that it has the focus.
556 0 : ::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get());
557 0 : if (pStateSet != NULL)
558 0 : pStateSet->RemoveState(AccessibleStateType::FOCUSED);
559 :
560 0 : if (mpText != NULL)
561 : {
562 0 : mpText->Dispose();
563 0 : delete mpText;
564 0 : mpText = NULL;
565 : }
566 :
567 : // Cleanup. Remove references to objects to allow them to be
568 : // destroyed.
569 0 : mxCell.clear();
570 0 : maShapeTreeInfo = AccessibleShapeTreeInfo();
571 :
572 : // Call base classes.
573 0 : AccessibleContextBase::dispose ();
574 0 : }
575 :
576 0 : sal_Int32 SAL_CALL AccessibleCell::getAccessibleIndexInParent (void) throw (RuntimeException, std::exception)
577 : {
578 0 : ThrowIfDisposed ();
579 0 : return mnIndexInParent;
580 : }
581 :
582 :
583 0 : OUString AccessibleCell::getCellName( sal_Int32 nCol, sal_Int32 nRow )
584 : {
585 0 : OUStringBuffer aBuf;
586 :
587 0 : if (nCol < 26*26)
588 : {
589 0 : if (nCol < 26)
590 : aBuf.append( static_cast<sal_Unicode>( 'A' +
591 0 : static_cast<sal_uInt16>(nCol)));
592 : else
593 : {
594 : aBuf.append( static_cast<sal_Unicode>( 'A' +
595 0 : (static_cast<sal_uInt16>(nCol) / 26) - 1));
596 : aBuf.append( static_cast<sal_Unicode>( 'A' +
597 0 : (static_cast<sal_uInt16>(nCol) % 26)));
598 : }
599 : }
600 : else
601 : {
602 0 : OUStringBuffer aStr;
603 0 : while (nCol >= 26)
604 : {
605 0 : sal_Int32 nC = nCol % 26;
606 : aStr.append(static_cast<sal_Unicode>( 'A' +
607 0 : static_cast<sal_uInt16>(nC)));
608 0 : nCol = nCol - nC;
609 0 : nCol = nCol / 26 - 1;
610 : }
611 : aStr.append(static_cast<sal_Unicode>( 'A' +
612 0 : static_cast<sal_uInt16>(nCol)));
613 0 : aBuf.append(comphelper::string::reverseString(aStr.makeStringAndClear()));
614 : }
615 0 : aBuf.append( OUString::number(nRow+1) );
616 0 : return aBuf.makeStringAndClear();
617 : }
618 :
619 0 : OUString SAL_CALL AccessibleCell::getAccessibleName (void) throw (::com::sun::star::uno::RuntimeException, std::exception)
620 : {
621 0 : ThrowIfDisposed ();
622 0 : SolarMutexGuard aSolarGuard;
623 :
624 0 : if( pAccTable )
625 : {
626 : try
627 : {
628 0 : sal_Int32 nRow = 0, nCol = 0;
629 0 : pAccTable->getColumnAndRow(mnIndexInParent, nCol, nRow);
630 0 : return getCellName( nCol, nRow );
631 : }
632 0 : catch(const Exception&)
633 : {
634 : }
635 : }
636 :
637 0 : return AccessibleCellBase::getAccessibleName();
638 : }
639 :
640 0 : void AccessibleCell::UpdateChildren()
641 : {
642 0 : if (mpText)
643 0 : mpText->UpdateChildren();
644 0 : }
645 :
646 : /* MT: Above getAccessibleName was introduced with IA2 CWS, while below was introduce in 3.3 meanwhile. Check which one is correct
647 : +If this is correct, we also don't need sdr::table::CellRef getCellRef(), UpdateChildren(), getCellName( sal_Int32 nCol, sal_Int32 nRow ) above
648 : +
649 :
650 : OUString SAL_CALL AccessibleCell::getAccessibleName (void) throw (::com::sun::star::uno::RuntimeException)
651 : {
652 : ThrowIfDisposed ();
653 : SolarMutexGuard aSolarGuard;
654 :
655 : if( mxCell.is() )
656 : return mxCell->getName();
657 :
658 : return AccessibleCellBase::getAccessibleName();
659 : }
660 : */
661 :
662 594 : } // end of namespace accessibility
663 :
664 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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